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Image of ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER EKSTRAK ETIL ASETAT BATANG TUMBUHAN BROTOWALI (Tinospora crispa L)

Skripsi

ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER EKSTRAK ETIL ASETAT BATANG TUMBUHAN BROTOWALI (Tinospora crispa L)

Badriyah, Umi - Personal Name;

Penilaian

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Penilaian anda saat ini :  

Secondary metabolite from ethyl acetate extract of Tinospora crispa stems has been isolated. The extraction was done by maceration, while the separation and purification of isolated compound was done by chromatographic technique. Structural determination of isolated compound was based on the analysis of spectroscopic data of ‘H NMR, l3C NMR, DEPT and compared to literature data. The isolated compound was in the form of white crystals with melting point of 126°C -128 °C. 'H-NMR spectrum showed signals for vinylic and aliphatic specific for steroids compound. 13C-NMR spectrum showed 29 carbon atom signals which were the signal of 2 methilene (CH2) and 27 signals of methyl groups (CH3). According to DEPT spectrum the 29 signals of carbon atom consisted of 3 quatemary carbon signals, 11 tertiary carbon signals (CH), 9 secondary carbon signals (CH2), and 6 primary carbon signal (CH3). Based on the analysis of spectroscopic data and on comparing data to literature, it was concluded that the isolated compound was steroids namely (3-sitosterol with molecular formula C29H50O BM 414 g/ mol.


Availability
Inventory Code Barcode Call Number Location Status
1407002367T71277T712772014Central Library (Referens)Available but not for loan - Not for Loan
Detail Information
Series Title
-
Call Number
T712772014
Publisher
Inderalaya : Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya., 2014
Collation
xvi, 46 hlm.: Ilus., tab.; 28 cm
Language
Indonesia
ISBN/ISSN
-
Classification
541.307
Content Type
Text
Media Type
unmediated
Carrier Type
unspecified
Edition
-
Subject(s)
Kimia
Batang Brotowali
Specific Detail Info
-
Statement of Responsibility
HALIM
Other version/related

No other version available

File Attachment
  • ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER EKSTRAK ETIL ASETAT BATANG TUMBUHAN BROTOWALI (Tinospora crispa L)
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